Old Grand-Dad 80 proof came into existence in 2013 when Beam decided to cut the 86 proof version down to 80 proof in order to stretch out how many bottles of whiskey they could get out of a barrel.
Old Grand-Dad 80 proof came into existence in 2013 when Beam decided to cut the 86 proof version down to 80 proof in order to stretch out how many bottles of whiskey they could get out of a barrel.